DH Instruments PPCK PLUS, Operation And Maintenance Manual

Page: 101 / 150

PPCK+™ Operation and Maintenance Manual
Page 93
©2001 DH Instruments, Inc .
RANGE
Purpose Read or change the active RPT range.
Command
Query “RANGE n : XX ”
“RANGE?”
Classic “RANGE= n : XX ”
“RANGE ”
Default “RANGE 3,HI”
Arguments n: 1’ for the low range of the selected RPT.
‘2’ for the mid range of the selected RPT.
‘3’ for the high range of the selected RPT.
XX: ‘LO’ for the low pressure RPT.
‘HI’ for the high pressure RPT. PPCK+ has only a high pressure
RPT.
Remarks The range and active RPT must be selected before making changes to settings that
are dependent on the range. Each RPTs has 3 separate ranges. You must specify
both the range and the RPT. The system MUST BE VENTED to switch RPTs.
The query reply is in the current units.
Example
(enhanced) Cmd sent:
Query reply: “RANGE 1:HI”
“30000 psia”
Example
(classic) Sent:
Reply: “RANGE=1:HI”
“3000 psia”
Errors ERR# 6: Invalid n or XX argument.
ERR# 22: System must be vented for the requested operation.
ERR# 38: The selected range is not available.
See Also 3.1.2.6, 3.2.1
RANGEHI
Purpose Read the three RPT ranges available.
Query “RANGEHI?”
Classic “RANGE”
Remarks The PPCK+ supports three ranges. The “RANGEHI” command fetches the PPCK+
model, the range units and the ranges available for the PPCK+ in gauge and absolute
mode. These values are returned in the following order:
RptType, model, unit, AbsRng1, AbsRng2, AbsRng3, GaRng1, GaRng2, GaRng3
Field Descriptions:
RptType:
Model:
unit:
AbsRng
GaRng
Always ‘0’
“A3000”, “A6000” or “A10000”
The range units “psi”, “kPa” or “MPa”
Range #1..3 in absolute mode in the replied
unit
Range #1..3 in gauge mode in the replied unit
Example
(enhanced) Cmd sent:
Query reply: “RANGEHI?”
“0,A3000,psi, 1000, 2000, 3000, 1000, 2000, 3000”
Example
(classic) Sent:
Reply: “RANGEHI”
“0,A3000,psi, 1000, 2000, 3000, 1000, 2000, 3000”
See Also 3.1.2.6, “RANGE”